

        var mySwiper1 = new Swiper ('.swiper-container_about1', {
            speed:300,
            loop: true,
        })
        var tipSwiper = new Swiper('.tipSwiper',{
            loop:true,
        })

        $(document).ready(function(){
            
            $(".about_lb .about_nav_left").click(function(){
                    mySwiper1.slidePrev();
            })
            $(".about_lb .about_nav_right").click(function(){
                    mySwiper1.slideNext();
            })
        
            
            $(".ppt3_main_nav .nav_index").click(function(){
                    $(".ppt3_main_nav .nav_index").removeClass("active");
                    $(this).addClass("active");
                    var nav_index_sum = $(this).index();
                    $(".ppt3_main .list").removeClass("active");
                    $(".ppt3_main .list").eq(nav_index_sum).addClass("active");
            })

            $('.tips .swiper .btn').click(function(){
                if($(this)[0].className.indexOf('prev') >= 0){
                    tipSwiper.slidePrev();
                }else{
                    tipSwiper.slideNext();
                }
            })
        })